Docker: Prevent a permission denied error when writing files to the default provisioning directory (#16831)

* build: Grant ownership of provisioning directory to runtime user

Dockerfile

@@ -66,8 +66,8 @@ RUN mkdir -p "$GF_PATHS_HOME/.aws" && \
              "$GF_PATHS_DATA" && \
     cp "$GF_PATHS_HOME/conf/sample.ini" "$GF_PATHS_CONFIG" && \
     cp "$GF_PATHS_HOME/conf/ldap.toml" /etc/grafana/ldap.toml && \
-    chown -R grafana:grafana "$GF_PATHS_DATA" "$GF_PATHS_HOME/.aws" "$GF_PATHS_LOGS" "$GF_PATHS_PLUGINS" && \
-    chmod 777 "$GF_PATHS_DATA" "$GF_PATHS_HOME/.aws" "$GF_PATHS_LOGS" "$GF_PATHS_PLUGINS"
+    chown -R grafana:grafana "$GF_PATHS_DATA" "$GF_PATHS_HOME/.aws" "$GF_PATHS_LOGS" "$GF_PATHS_PLUGINS" "$GF_PATHS_PROVISIONING" && \
+    chmod 777 -R "$GF_PATHS_DATA" "$GF_PATHS_HOME/.aws" "$GF_PATHS_LOGS" "$GF_PATHS_PLUGINS" "$GF_PATHS_PROVISIONING"
 
 COPY --from=0 /go/src/github.com/grafana/grafana/bin/linux-amd64/grafana-server /go/src/github.com/grafana/grafana/bin/linux-amd64/grafana-cli ./bin/
 COPY --from=1 /usr/src/app/public ./public

packaging/docker/Dockerfile

@@ -47,8 +47,8 @@ RUN mkdir -p "$GF_PATHS_HOME/.aws" && \
              "$GF_PATHS_DATA" && \
     cp "$GF_PATHS_HOME/conf/sample.ini" "$GF_PATHS_CONFIG" && \
     cp "$GF_PATHS_HOME/conf/ldap.toml" /etc/grafana/ldap.toml && \
-    chown -R grafana:grafana "$GF_PATHS_DATA" "$GF_PATHS_HOME/.aws" "$GF_PATHS_LOGS" "$GF_PATHS_PLUGINS" && \
-    chmod 777 "$GF_PATHS_DATA" "$GF_PATHS_HOME/.aws" "$GF_PATHS_LOGS" "$GF_PATHS_PLUGINS"
+    chown -R grafana:grafana "$GF_PATHS_DATA" "$GF_PATHS_HOME/.aws" "$GF_PATHS_LOGS" "$GF_PATHS_PLUGINS" "$GF_PATHS_PROVISIONING" && \
+    chmod -R 777 "$GF_PATHS_DATA" "$GF_PATHS_HOME/.aws" "$GF_PATHS_LOGS" "$GF_PATHS_PLUGINS" "$GF_PATHS_PROVISIONING"
 
 EXPOSE 3000